1380752811 has 10 divisors (see below), whose sum is σ = 2062606172. Its totient is φ = 920501820.

The previous prime is 1380752797. The next prime is 1380752839. The reversal of 1380752811 is 1182570831.

It is not a de Polignac number, because 1380752811 - 2¹⁰ = 1380751787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380752851) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8523085 + ... + 8523246.

Almost surely, 2^1380752811 is an apocalyptic number.

1380752811 is a deficient number, since it is larger than the sum of its proper divisors (681853361).

1380752811 is an equidigital number, since it uses as much as digits as its factorization.

1380752811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17046343 (or 17046334 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 1380752811 is about 37158.4823559843. The cubic root of 1380752811 is about 1113.5386920140.

The spelling of 1380752811 in words is "one billion, three hundred eighty million, seven hundred fifty-two thousand, eight hundred eleven".